ID:DA04452274
同姓同名の著者を検索
by John G. Sommer ... [et al.]
U.S. Agency for International Development 1982 A.I.D. project impact evaluation report No. 28
所蔵館1館
John G. Sommer ; with a foreword by Huvert H. Humphrey
Overseas Development Council c1977
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by Don Luce and John Sommer ; foreword by Edward M. Kennedy
Cornell University Press 1969
所蔵館15館